Arbeit macht frei I think that is the core part. Let s say there is a scientist who tries to create a medicine for a critical illness. But he/ she has to kill 82 kids to get the requisite ingredients. He does that and find the cure which works well. Killing 82 kids is evil part; a cure that converts the fatal illness into a petty complain is brilliant part. While knowing 82 kids are the source of the brilliant panacea how should the patient feel to use the medicine?